1496-1497 / 2953
Cervical IMRT- Adaptive
• ITV to cover all bladder filling
• Bladder full & empty planning CT
• Full and empty plan if ‘mover’
• Fiducial markers in cervix
• Soft tissue matching
• 3D-CRT back up plan (18%)
•
uterus out 27.5%
•
markers out 21.3%
•
both out 21.7%
•
poor CBCT 10.5%
Heijkoop, IJROBP 2014; 90: 673-679